Table 3.

Univariate analysis of prognostic factors in patients with esophageal SCC.

Variable	3-year OS	P	3-year PFS	P
	(%)		(%)
Age (≤ 60/> 60 years)	26.0/20.6	0.363	23.8/16.4	0.340
Sex (male/female)	23.6/22.9	0.959	21.5/19.4	0.749
Location (upper/middle, lower)	29.2/19.7	0.014	26.1/16.6	0.042
Tumor length (≤ 5/> 5 cm)	24.3/18.5	0.239	24.2/17.2	0.073
T stage (T1-2/T3-4)	33.0/20.9	0.014	29.5/18.4	0.014
N stage (N0/N1)	37.5/21.0	0.012	32.4/18.6	0.020
M stage (M0/M1)	36.2/10.9	< 0.001	33.3/8.2	< 0.001
Radiation dose (< 60/≥ 60 Gy)	25.3/28.1	0.107	15.7/24.3	0.150
mGPS (0/1/2)	34.6/21.7/4.5	< 0.001	29.9/16.5/0.0	< 0.001
Albumin (≥ 35/< 35 g/L)	28.6/4.5	< 0.001	24.6/4.5	0.002
CRP (< 10/≥ 10 mg/L)	33.8/15.6	< 0.001	28.0/13.5	0.001
Hemoglobin (≥ 12/< 12 g/dL)	32.1/23.4	0.660	28.6/19.1	0.578
Plt (≥ 200,000/< 200,000/dL)	29.4/22.5	0.051	23.9/18.5	0.019
TB (≤ 1.1/>1.1 mg/dL)	22.6/24.7	0.138	17.7/20.7	0.131
LDH (≥ 170/< 170 U/L)	30.0/18.2	0.085	25.3/14.2	0.193

Plt : platelet; TB : total bilirubin; LDH: lactate dehydrogenase.